Comp Cams Pro-Mag Hydr Liftrs, Americn M Otors 6Cyl - 867-12

Pro Magnum Hydraulic Lifter Set for AMC 199-258.

These Pro Magnum hydraulic lifters are designed to perform at high RPM without any harmful pumping up. These lifters for AMC 290-401/199-258 yield significant power increase over standard hydraulic lifters.

Pro Magnum Hydraulic Flat Tappet Lifters. Specifically designed to perform at higher engine speeds. Proper position of internal piston at higher RPM prevents lifters from harmful "pumping up". Unique design yields significant power increase over standard hydraulic lifters. Adjustable valve train required. Pre-load .002"-.004" with engine warm. Applications: AMC 6 Cylinder 199-258. Specifications .904" Diameter - 107g Weight - 1.84" Seat Height.

• Unique design yields significant power increase over standard hydraulic lifters
• Proper position of internal piston at higher RPM prevents lifters from harmful pumping up
• Adjustable valve train required
• Specifically designed to perform at higher engine speeds
• Unique design yields significant power increase over standard hydraulic lifters
• Proper position of internal piston at higher RPM prevents lifters from harmful pumping up
• Adjustable valve train required